Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702794 | Laminated polyester film for magnetic recording medium | Masahiro Hosoi, Yasuhiko Saito, Masami Etchu | 1997-12-30 |
| 5677033 | Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film | Hisashi Hamano, Masahiro Hosoi, Ieyasu Kobayshi | 1997-10-14 |
| 5665454 | Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom | Masahiro Hosoi, Hisashi Hamano, Masami Etchu | 1997-09-09 |